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Radiant|Lab Grown|IGI

0.76ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG637452184

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG637452184

Diamond specifications and retailer prices

From £89 GBP
$119 USD
As of October 30, 2026
Save £265 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £354 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.76ct lab-grown radiant diamond

This 0.76ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG637452184 or 637452184. Listed at 9 retailers as of October 28, 2026, with prices from £89 to £354, a £265 spread on the same certified stone. NZ Jewellers lists it at £354. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.76
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637452184
Dimensions6.65 × 4.48 × 2.98 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm4.48 mm0.76 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637452184
Side View
Table 62.0%Crown 47.1°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £354 GBP|Low: £89 GBP|High: £515 GBP|Avg: £257 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2£89 GBP
Retailer 14£103 GBP
Retailer 8£117 GBP
Retailer 13£134 GBP
Retailer 10£187 GBP
Retailer 11£213 GBP
Retailer 7£226 GBP
Retailer 4£235 GBP
Retailer 12£240 GBP
Retailer 9£288 GBP
Retailer 6£305 GBP
NZ Jewellers£354 GBP
Retailer 5£438 GBP
Retailer 3£515 GBP

3 data points across 14 retailers

9 retailers£89 GBP to £354 GBP

A
Cheapest Retailer
-
£89 GBP
$119 USD
A
Retailer 2
-
£103 GBP
$138 USD
View
A
Retailer 3
-
£117 GBP
$157 USD
View
A
Retailer 4
-
£134 GBP
HK$1,400 HKD
View
B+
Retailer 5
-
£213 GBP
$286 USD
View
B+
Retailer 6
-
£226 GBP
View
B+
Retailer 7
-
£240 GBP
View
B
Retailer 8
-
£288 GBP
$386 USD
View
Most Expensive
B
NZ Jewellers
496c2e32-c4e6-4b85-84e3-307496e65ea5 · Oct 28
£354 GBP
$474 USD
View
8 more retailers have this diamond
Prices start from £89 GBPSave up to £265 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.76ct Radiant
£89 GBP